Shah Rukh Khan
Om Prakash Makhija / Om Kapoor
Deepika Padukone
Shantipriya / Sandy
Arjun Rampal
Mukesh “Mike” Mehra
Shreyas Talpade
Pappu Master
Juhi Chawla Mehta
Self (uncredited)
Javed Sheikh
Rajesh Kapoor
Masood Akhtar
Old Dressman (uncredited)
Hrithik Roshan
Self (uncredited)
Preity Zinta
Self (uncredited)
Vishal Dadlani
Special appearance (uncredited)
Abhishek Bachchan
Self (uncredited)
Rishi Kapoor
Self (uncredited)
Subhash Ghai
Self (uncredited)
Amitabh Bachchan
Self (uncredited)
Akshay Kumar
Self (uncredited)
Dharmendra
Self, special appearance in "Deewangi Deewangi" (uncredited)
Priyanka Chopra Jonas
Self, special appearance in "Deewangi Deewangi" (uncredited)
Rekha
Self, special appearance in "Deewangi Deewangi" (uncredited)
Salman Khan
Self, special appearance in "Deewangi Deewangi" (uncredited)
Sanjay Dutt
Self, special appearance in "Deewangi Deewangi" (uncredited)
Mithun Chakraborty
Self, special appearance in "Deewangi Deewangi" (uncredited)
Kajol
Self, special appearance in "Deewangi Deewangi" (uncredited)
Jeetendra
Self, special appearance in "Deewangi Deewangi" (uncredited)
Karisma Kapoor
Self, special appearance in "Deewangi Deewangi" (uncredited)
Malaika Arora
Self, special appearance in "Deewangi Deewangi" (uncredited)
Saif Ali Khan
Self, special appearance in "Deewangi Deewangi" (uncredited)
Rani Mukerji
Self, special appearance in "Deewangi Deewangi" (uncredited)
Sunil Dutt
Appearance in song (Archive footage) (uncredited)
Mushtaq Sheikh
Roadside sleeper
Kareena Kapoor Khan
Walks past on red carpet (uncredited)
Lin Laishram
Om Kapoor's Friend (cameo)